Programmer Think

Project introduction and cryptography knowledge Overall structure of the project: Main function: encrypt and decrypt the data of network communication Basic components: Data serialization: protobufsocket communication: thread pool, connection poolShared memory IPCoracle Database: using OCI interfaceData encryption: openssl (Secure Sockets ...

Zero. Preparation before start Windows should be equipped with node, npm and git toolsServer (either Alibaba cloud or Tencent cloud)Domain name (filed) If the above preparations are not ready, please check the Internet by yourself 1, Write the back-end interface locally using node+express Introduction and introduction to express 1. Create ...

Basic usage of okHttp Let's briefly mention the basic usage of okHttp. okHttp can use both synchronous and asynchronous requests, although synchronous requests cannot be done in the UI thread, which can cause app crashes. Synchronization Request //Construct OkHttpClient final OkHttpClient client=new OkHttpClient.Builder().build(); //Construc ...

reference Install Let's Encrypt certificate through Certbot to realize HTTPS access of the whole station College army - upgrade blog application from HTTP protocol to HTTPS for free certbot official website address Open the home page and select your own system version first (the web server I use here is nginx and the system is centos7) Tran ...

Configure https authentication for Tomcat server (use keytool to generate certificate) 1, Certificate generation 1. Generate server certificate (1) Open the command console and enter the bin directory of the jdk (2)keytool generates a certificate for Tomcat ("- validity 36500" certificate validity, 36500 indicates 100 years, and ...

Whimsical journey: my original blog is completely knocked by hand, absolutely not carried, and there can be no repetition in the whole network; I have no team, only share for technology lovers, and all content does not involve advertising. All my articles are only published in CSDN and personal blog (must be the domain name of fantasy journey). ...

summary When using crawlers, most websites have certain anti crawling measures. Some websites will limit the access speed or access times of each IP. If you exceed its limit, your IP will be blocked. The processing of access speed is relatively simple. It only needs to crawl once at an interval to avoid frequent access; For the number of v ...

I didn't expect that it took so long to use k8s to build https version of wordpress, and I also caught up with my friend Mr. slash. Since it's so troublesome, let's record it. Welcome to reprint, please indicate the source, thank you. As for why our website has hidden the server version, but this article generously gives the actual version. Th ...

WeChat Public Number: Operations and Maintenance Development Story, Author: wanger demand For people who often maintain the website, they need to deal with https certificates frequently. Generally, the validity period of https certificates is one year. Once the certificates expire, the loss to the company is enormous. Last year NetEase mail ...

1.NIO 1.1 NIO channel client [application] Client implementation steps Open channelSpecify the IP and port numberWrite dataRelease resources Sample code public class NIOClient { public static void main(String[] args) throws IOException { //1. Open the channel SocketChannel socketChannel = SocketChannel.open(); ...